Q: 4 acres of live rice is in the 3-leaf 1 heart stage, after the seedling is very few, there is no seedlings at low loquat, the emergence rate is less than 50%, sowing 7-7.5 kg per acre, not long ago with quinclorac "weeding. Excuse me, will the rice be replanted in this field and will the replanted rice be harmed by quinclorac?
Answer: The quinclorac acid is the selective herbicide that controls the rice field barnyardgrass. Generally, it is applied to the rice at the heart stage of 2 leaves, and the spraying is easy to produce phytotoxicity prematurely. Prior to the leaf stage of the seedlings, especially in the early stage of the seedlings, chloroquine acid was applied at the usual dosage, which was also prone to phytotoxicity. The quincloric acid was applied to the above plots and the rice was susceptible to phytotoxicity. However, large seedlings can be transplanted from other locations and transplanted to the seedlings.
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